Section: Volume B
Explanation/Reference:
Explanation:
To disable or enable a user account using Active Directory Administrative Center
1. To open Active Directory Administrative Center, click Start , click Administrative Tools , and then click Active Directory Administrative Center.
2. To open Active Directory Users and Computers in Windows Server 2012, click Start , type dsac.exe.
3. In the navigation pane, select the node that contains the user account whose status you want to change.
4. In the management list, right-click the user whose status you want to change.
5. Depending on the status of the user account, do one of the following:
To disable the user account, click Disable.

To enable the user account, click Enable.

References: Disable or Enable a User Account
https://www.pcwdld.com/active-directory-users-computers-not-showing-administrative-tools